Historically, Microsoft provided a portal to download Windows 7 ISOs by entering a valid 25-character product key. However, since Windows 7 reached its end of support in January 2020, these official downloads are often restricted or redirected. Microsoft Update Catalog:
When Windows 7 launched in 2009, physical DVDs were the primary method for software installation. As netbooks and laptops dropped optical drives, Microsoft adapted its digital distribution methods. The Windows 7 USB/DVD Download Tool microsoft windows 7 media creation tool
Major web browsers (Google Chrome, Microsoft Edge, Mozilla Firefox) and antivirus programs have dropped support for Windows 7. You will struggle to run modern applications, games, or secure web tools on this platform. microsoft windows 7 media creation tool